Sunspot region AR11907
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/11/27 | 8 | 30 | DRO | S09E18 | |
| 2013/11/28 | 11 | 60 | DAO | S10E04 | |
| 2013/11/29 | 25 | 200 | EAC | S09W08 | |
| 2013/11/30 | 21 | 130 | EAC | S09W22 | |
| 2013/12/01 | 10 | 60 | CAO | S09W38 | |
| 2013/12/02 | 3 | 30 | HRX | S09W49 |
2013/11/27
2013/11/28
2013/11/29
2013/11/30
2013/12/01
2013/12/02
|
2013/11/27
2013/11/28
2013/11/29
2013/11/30
2013/12/01
2013/12/02
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 11907
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.18 | 2013/11/29 | 09:59 | 10:06 | 10:09 | |
| 2 | C1.51 | 2013/11/28 | 09:33 | 09:37 | 09:40 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 130 +51.8 |
| Last 30 days | 91.6 +20.3 |
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